The 23 seems off. It's stretched out, no space between the 2 and the 3 and the ball lines up on top of the 2. There's also not clear enough pictures of the carbon fiber. I'd say fake.
I would take a closer of the carbon fiber.
But looking the pictures provided and considering the condition of the XI, I'd say fake.
- patent leather is white, I haven't come across a beat XI, where the PL that hasn't yellowed or show sign of yellowing
- the "jumpman jordan" tag, is a to light for it color, though it might be lighting or what not